Wednesday, August 22, 2007
Data News #2007 - 53
NASDAQ to Increase Frequency of Short Interest Reports in September of 2007
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NASDAQ®, in coordination with the Financial Industry Regulatory Authority (FINRA), has decided to increase the posting frequency of short interest data. To promote better market transparency, NASDAQ will transition from monthly to semi-monthly postings of the Short Interest Report beginning in September of 2007. In addition, NASDAQ will enhance the short interest file format to include three new data fields: Days To Cover, Stock Split Flag and New Issue Flag.
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2007 Revised Short Interest Posting Schedule: | ||||||||||||||||||||||||||||||||||||
To accommodate the posting interval change, NASDAQ is amending its short interest publication schedule. For the remainder of 2007, the posting schedule will be:
While NASDAQ will support two postings for September 2007, the new format changes will be implemented with the file to be posted on October 9, 2007. The initial report for September 2007 will be based on the current short interest report model.
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Short Interest File Format Changes: | ||||||||||||||||||||||||||||||||||||
In association with the reporting interval changes, NASDAQ will be modifying the Short Interest FTP file formats. Beginning with the report posted on October 9, 2007, the new Short Interest file format will be:
Please note that the reporting period is bound by the current and previous settlement dates as listed on the short interest publication schedule above.
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Short Interest File Name Changes: | ||||||||||||||||||||||||||||||||||||
In light of the data content changes, NASDAQ will rename the short interest files. Beginning with the file posted on October 9, 2007, the new naming convention for the short interest report will be:
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Transition Notes for September 2007: | ||||||||||||||||||||||||||||||||||||
As NASDAQ is making the short interest file transition in the middle of September, the first semi-monthly report will be posted on October 9, 2007. Under the new file naming convention, this report will be shrt200709end.txt as the data will be based on the last settlement date in September of 2007. For the October 9th publication, the short sale report data will be based on the two week settlement period beginning September 17, 2007, and running through September 28, 2007. Please note that NASDAQ will use the current short interest file format and naming schema for the report posted on September 25, 2007. Under the current schema, the September 25th publication will be based on the one-month settlement period beginning on August 16, 2007, and running through September 14, 2007.
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